<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
<link rel="stylesheet" href="./fonts/iconfont.css">
</head>

<style>
    @font-face {
        font-family: 'iconfont';
        src: url('./fonts/iconfont.ttf');
    }
    .iconfont {
        font-family: "iconfont";
        font-style: normal;
    }
    .music::before {
        content: "\e658";
    }
    .icon-yidongAPP{
        font-size: 100px;
    }
</style>
<body>
    <!-- 字体编码 -->
    <i class="iconfont">&#xe839;</i>
    <!-- 不使用字符实体的方式展示 ::before 伪元素  -->
    <i class="iconfont music"></i>
    <i class="iconfont icon-yidongAPP"></i>
</body>
</html>